A Paisley man faces being extradited to the United States after being accused of sending bomb threats to a university there.

Adam Stuart Busby, 66, a former soldier with the Argylls, has been indicted in the US on charges of emailing 17 bomb threats to the University of Pittsburgh in 2012.

Busby, sometimes referred to as the Tartan Terrorist, claims to have founded the Scottish National Liberation Army, a banned militant group which wants Scottish independence.

The former Seedhill man, who has multiple sclerosis, was released from a Dublin prison earlier this week into the care of an Irish hospital on the condition he has no access to the internet.

He’s currently in the process of appealing to the Irish Supreme Court against attempts to extradite him to Scotland to face charges of threatening to poison water supplies and the then Prime Minister Gordon Brown in 2010 as well as emailing bomb threats to the media and various hotels.

The US attorney in Pittsburgh, David Hickton, said Busby would face the outstanding charges in the UK before the extradition process would begin.

He explained: “We are closely monitoring the proceedings overseas and are working to obtain his extradition to the US on the charges pending here.”

Hickton contends Busby emailed more than 40 threats targeting the university in April 2012, some directly to the school and others to journalists. Hickton’s office charged Busby with a sampling of 17 threats that investigators traced to overseas computers.

The emailed bomb threats resulted in more than 100 evacuations at the university. It cost the university more than $300,000 (£183,000) in extra security and baggage checks.

A prolific hoaxer, Busby was convicted in 2010 by an Irish court of sending emails claiming flights from London to New York City had explosives on board.

He fled from Scotland to Ireland in 1980 after orchestrating a series of minor terror attacks in Scotland against military sites, oil companies and high-profile public figures using primitive letter bombs.

He used his base in Dublin to organise further hoaxes involving alleged anthrax weapons and fake bombs, and real attacks including incendiary devices in parcels, by influencing other hardline nationalists in Scotland and England.

The SNLA’s targets included Lady Thatcher, Douglas Hurd, Cherie Blair, the Prince of Wales, Prince William and former Scottish first minister Jack McConnell. No-one was injured.